题目内容：
All petitions are serious.
A．Right B．Wrong
C．Not mentioned
参考答案：
答案解析：
单选题：All petitions are serious.
- 题目分类：理工类
- 题目类型：单选题
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B．Wrong
C．Not mentioned
B．Wrong
C．Not mentioned
Mary said mildly, "I'm just curious. "
Mary said mildly, "I'm just curious. "A．gently B．shyly C．weakly D．sweetly
The word "mobility" means______.
The word "mobility" means______.A．money B．readiness to move C．organization D．ski
Please do not hesitate to call me if Ican be of further assi
Please do not hesitate to call me if Ican be of further assistance.A．contact B．s
Belt can only connect with English-speakers.
Belt can only connect with English-speakers.A．Right B．Wrong C．Not mentioned
The index is the government's chief gauge of future economi
The index is the government's chief gauge of future economic activityA．measure